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/*******************************************************************************
 * Copyright (c) 2010, 2011 Sonatype, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Sonatype, Inc. - initial API and implementation
 *******************************************************************************/
package org.eclipse.aether.impl;

import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.resolution.ArtifactDescriptorException;
import org.eclipse.aether.resolution.ArtifactDescriptorRequest;
import org.eclipse.aether.resolution.ArtifactDescriptorResult;

/**
 */
public interface ArtifactDescriptorReader
{

    /**
     * Gets information about an artifact like its direct dependencies.
     * 
     * @param session The repository session, must not be {@code null}.
     * @param request The descriptor request, must not be {@code null}
     * @return The descriptor result, never {@code null}.
     * @throws ArtifactDescriptorException If the artifact descriptor could not be read.
     */
    ArtifactDescriptorResult readArtifactDescriptor( RepositorySystemSession session, ArtifactDescriptorRequest request )
        throws ArtifactDescriptorException;

}